Specular light doesn't work for backside of mesh #891
Description
Please complete the following information):
- OS: win 11
- Version: 4.1 alpha
- Graphics card and resolution GTX 3070
To Reproduce
- Paste example
Expected behavior
specular reflection should visible on back side of triangle
[{"Id":"78bea977-adef-4c76-8fb5-0f958ad30fa5"/*Object*/,"Inputs":[],"Children":[{"Id":"123d3d96-1044-411e-a0f6-a5c3d8b0b4e2"/*NormalMap*/,"SymbolId":"01458940-287f-4d31-9906-998efa9a2641","InputValues":[],"Outputs":[]},{"Id":"1957e1d3-30a0-418c-b795-8744c306c069"/*SetEnvironment*/,"SymbolId":"f3b66187-34b2-4018-8380-279f9f296ded","InputValues":[{"Id":"de6b9cb3-69ce-4b23-add6-a564648ec3a8"/*Fallback*/,"Type":"System.Int32","Value":2}],"Outputs":[]},{"Id":"21801571-40c5-474c-8061-c5af6e00e3c2"/*SetMaterial*/,"SymbolId":"0ed2bee3-641f-4b08-8685-df1506e9af3c","InputValues":[{"Id":"108ff533-f205-4989-b894-acf48e3cc1db"/*Metal*/,"Type":"System.Single","Value":0.1},{"Id":"9d5ca726-28b0-4f3d-a5aa-f0ae3e2043a9"/*Specular*/,"Type":"System.Single","Value":11.0},{"Id":"e14dcc43-7c18-4ed7-ad39-dfeab10e3d33"/*Roughness*/,"Type":"System.Single","Value":0.07}],"Outputs":[]},{"Id":"53434394-3842-4058-8dc2-f5cca6625a41"/*PointLight*/,"SymbolId":"9c67a8c8-839f-4f67-a949-08cb38b9dffd","InputValues":[{"Id":"f6d96a01-dc90-49c7-9152-a6a42bb05218"/*Position*/,"Type":"System.Numerics.Vector3","Value":{"X":0.0,"Y":0.0872003,"Z":0.0}}],"Outputs":[]},{"Id":"6a0a3cba-c3d5-46a2-bca5-fd05eedfa72e"/*FractalNoise*/,"SymbolId":"5a0b0485-7a55-4bf4-ae23-04f51d890334","InputValues":[],"Outputs":[]},{"Id":"ab5c2c8a-1a93-435f-8337-42c4f7c76aa7"/*MakeTileableImage*/,"SymbolId":"1e29f81b-0c05-4784-b3ac-c475ce510159","InputValues":[],"Outputs":[]},{"Id":"f1ff5c48-f747-4f84-b142-ba1ef778c090"/*DrawMesh*/,"SymbolId":"a3c5471e-079b-4d4b-886a-ec02d6428ff6","InputValues":[{"Id":"9e957f4a-6502-4905-8d97-331f8b54097c"/*Culling*/,"Type":"SharpDX.Direct3D11.CullMode","Value":"None"}],"Outputs":[]},{"Id":"fd5c1705-1c70-4f88-9285-4eb1832fd8cd"/*QuadMesh*/,"SymbolId":"9d6dbf28-9983-4584-abba-6281ce51d583","InputValues":[{"Id":"a89e41bf-5395-41f0-9804-a782ed4c0f30"/*Rotation*/,"Type":"System.Numerics.Vector3","Value":{"X":-100.0,"Y":0.0,"Z":0.0}}],"Outputs":[]}],"Connections":[{"SourceParentOrChildId":"ab5c2c8a-1a93-435f-8337-42c4f7c76aa7","SourceSlotId":"970d1691-47f4-43ce-937d-cad6a9c13922","TargetParentOrChildId":"123d3d96-1044-411e-a0f6-a5c3d8b0b4e2","TargetSlotId":"3b04296a-14e5-40e0-91a2-eda0314b0490"},{"SourceParentOrChildId":"53434394-3842-4058-8dc2-f5cca6625a41","SourceSlotId":"32b87a4d-bef3-4646-be76-8f8224ebd5c2","TargetParentOrChildId":"1957e1d3-30a0-418c-b795-8744c306c069","TargetSlotId":"e4482cab-f20c-4f9f-9179-c64944164509"},{"SourceParentOrChildId":"f1ff5c48-f747-4f84-b142-ba1ef778c090","SourceSlotId":"53b3fdca-9d5e-4808-a02f-4aa743cd8456","TargetParentOrChildId":"21801571-40c5-474c-8061-c5af6e00e3c2","TargetSlotId":"2a585a23-b60c-4c8b-8cfa-9ab2a8b04c7a"},{"SourceParentOrChildId":"123d3d96-1044-411e-a0f6-a5c3d8b0b4e2","SourceSlotId":"b1fa156b-a959-42f8-9a81-30a667d60554","TargetParentOrChildId":"21801571-40c5-474c-8061-c5af6e00e3c2","TargetSlotId":"600bbc24-6b3a-4ac4-9ceb-702e71c839e9"},{"SourceParentOrChildId":"21801571-40c5-474c-8061-c5af6e00e3c2","SourceSlotId":"d80e1028-a48d-4171-8c8c-e6856bd2143d","TargetParentOrChildId":"53434394-3842-4058-8dc2-f5cca6625a41","TargetSlotId":"55dc52d8-51a6-497a-9624-b118e0e27c65"},{"SourceParentOrChildId":"6a0a3cba-c3d5-46a2-bca5-fd05eedfa72e","SourceSlotId":"c85e033e-794c-4943-bf5d-545555df9360","TargetParentOrChildId":"ab5c2c8a-1a93-435f-8337-42c4f7c76aa7","TargetSlotId":"f09d6911-dd5f-4dac-a475-3ea291f04dfe"},{"SourceParentOrChildId":"fd5c1705-1c70-4f88-9285-4eb1832fd8cd","SourceSlotId":"9c86f704-a28f-4d2a-b7c0-15648f982462","TargetParentOrChildId":"f1ff5c48-f747-4f84-b142-ba1ef778c090","TargetSlotId":"97429e1f-3f30-4789-89a6-8e930e356ee6"}]},{"Id":"78bea977-adef-4c76-8fb5-0f958ad30fa5"/*Object*/,"Description":"","InputUis":[],"SymbolChildUis":[{"ChildId":"123d3d96-1044-411e-a0f6-a5c3d8b0b4e2"/*NormalMap*/,"Position":{"X":280.0,"Y":105.0}},{"ChildId":"1957e1d3-30a0-418c-b795-8744c306c069"/*SetEnvironment*/,"Position":{"X":420.0,"Y":175.0}},{"ChildId":"21801571-40c5-474c-8061-c5af6e00e3c2"/*SetMaterial*/,"Position":{"X":420.0,"Y":70.0}},{"ChildId":"53434394-3842-4058-8dc2-f5cca6625a41"/*PointLight*/,"Position":{"X":420.0,"Y":140.0}},{"ChildId":"6a0a3cba-c3d5-46a2-bca5-fd05eedfa72e"/*FractalNoise*/,"Position":{"X":0.0,"Y":105.0}},{"ChildId":"ab5c2c8a-1a93-435f-8337-42c4f7c76aa7"/*MakeTileableImage*/,"Position":{"X":140.0,"Y":105.0}},{"ChildId":"f1ff5c48-f747-4f84-b142-ba1ef778c090"/*DrawMesh*/,"Position":{"X":420.0,"Y":35.0}},{"ChildId":"fd5c1705-1c70-4f88-9285-4eb1832fd8cd"/*QuadMesh*/,"Position":{"X":420.0,"Y":0.0}}],"OutputUis":[]}]